74454-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74454-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,5 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74454-36:
(7*7)+(6*4)+(5*4)+(4*5)+(3*4)+(2*3)+(1*6)=137
137 % 10 = 7
So 74454-36-7 is a valid CAS Registry Number.